[014/119] ALSA: AACI: fix AC97 multiple-open bug

Greg KH
2009-12-07T00:12:42Z

[-- Attachment #1: alsa-aaci-fix-ac97-multiple-open-bug.patch --]
[-- Type: text/plain, Size: 761 bytes --]

2.6.31-stable review patch. If anyone has any objections, please let us know.

------------------
From: Russell King <rmk+kernel@arm.linux.org.uk>

commit 4acd57c3de62374fe5bb52e5cd24538190f4eab2 upstream.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
sound/arm/aaci.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -504,6 +504,10 @@ static int aaci_pcm_hw_params(struct snd
int err;

aaci_pcm_hw_free(substream);
+ if (aacirun->pcm_open) {
+ snd_ac97_pcm_close(aacirun->pcm);
+ aacirun->pcm_open = 0;
+ }

err = devdma_hw_alloc(NULL, substream,
params_buffer_bytes(params));